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Blimp-1 and systemic lupus erythematosus
Arthritis Research & Therapy volume 16, Article number: A22 (2014)
Our laboratory has been studying the impact of low Blimp-1 expression on dendritic cell function in SLE, analyzing both a mouse model of SLE in which there is a deletion of Blimp-1 in CD11c dendritic cells (DC Blimp-1KO mice) and healthy individuals with the SLE risk allele of Blimp-1. This allele leads to reduced Blimp-1 expression in dendritic cells. Low expression of Blimp-1 alters cytokine expression following TLR activation and antigen-processing machinery. This leads to a highly distinct TCR repertoire in T-follicular helper cells in DC Blimp-1KO mice. Much of this phenotype is under estrogen regulation. These data therefore provide an integrated explanation for altered cytokines, autoantibodies and female predisposition in SLE.
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Diamond, B., Kim, S.J., Schaetzle, S. et al. Blimp-1 and systemic lupus erythematosus. Arthritis Res Ther 16 (Suppl 1), A22 (2014). https://doi.org/10.1186/ar4638
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DOI: https://doi.org/10.1186/ar4638
Keywords
- Estrogen
- Systemic Lupus Erythematosus
- Dendritic Cell
- Healthy Individual
- Risk Allele